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Mice21 [21]
3 years ago
6

The speed of a sound wave is,

Biology
1 answer:
Svetach [21]3 years ago
8 0
Sound waves are slower than electromagnetic waves. Sound waves behave only as a wave, whereby electromagnetic waves act both as a wave and particle, and travel at the speed of light 3.0 x 10^8 m/s d (which is very fast!!!)
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Cells from advanced malignant tumors often have very abnormal chromosomes as well as an abnormal number of chromosomes. What mig
patriot [66]

Answer:

<u>Option- D: </u>Is the best choice to choose from the given options.

Now, let us explain the term Cell cycle in a more comprehensive way.

<u>As the cell cycle is controlled at three checkpoints.</u>

  • The integrity of the DNA is assessed at the G₁ checkpoint.
  • Proper chromosome duplication is assessed at the G₂ checkpoint.
  • Attachment of each kinetochore to a spindle fiber is assessed at the M checkpoint.

Explanation:

The cell cycle is controlled by three internal checkpoints that evaluate the condition of the genetic information.

  1. <u>The G₁ Checkpoint</u>:This stage determines whether all conditions are favorable for cell division to proceed. The cell can halt the cycle and attempt to remedy the problematic condition, or the cell can advance into G₀ (inactive) phase and await further signals when conditions improve.
  2. <u>The G₂ Checkpoint:</u> The most important role of the G₂ checkpoint is to ensure that all of the chromosomes have been accurately replicated without mistakes or damage.
  3. <u>The M Checkpoint:</u>It occurs near the end of the meta-phase stage of mitosis. it determines whether all the sister chromatids are correctly attached to the spindle micro-tubules
5 0
3 years ago
I need help on question #6
olganol [36]
I think 
Prometer---> Spot where transcription begins 
Operator ---> On/Off switch 
Terminator ---> Spot where transcription ends 


4 0
3 years ago
Read 2 more answers
Help me please i need it​
Harlamova29_29 [7]

Answer:

B) lighting a match

Explanation:

a chemical change is a chemical reaction involving the rearrangement of atoms. While a physical change can often be reversed, a chemically change typically cannot.

Always remember, if something is being lit on fire then it is a chemical change, since fire breaks the bonds in between the atoms.

Freezing water is a physical change because it can be reversed and does not alter the substance, which is water. a change in state i always a physical change

tearing up a piece of paper is a physical change since nothing on a molecular level has changed. its still paper.

Dissolving sugar in water is a <em>homogenous mixture</em>, meaning that it looks uniform without, however it is still only sugar and water, so it is a physical change.

4 0
3 years ago
The role of antibodies in the human body is to
Fantom [35]

Answer:

Stop intruders from harming the body

Explanation:

4 0
3 years ago
Read 2 more answers
What happens to excess glucose in the body? What happens to excess glucose in the body? It is converted to protein. It is stored
RoseWind [281]

Answer:

It is used for lipogenesis

Explanation:

Carbohydrates are broken down into glucose and then this glucose is absorbed in the blood from where it enters the cell and used for ATP production.

The excess of glucose in the body is used for lipogenesis. So excess glucose converts into fat and stored in the liver. Some fat is also stored as glycogen in the liver and muscles by the action of insulin but the majority of excess glucose converts into fat.  

This fat provides a reserve energy source in our body. Therefore the right answer is- It is used for lipogenesis.

6 0
3 years ago
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